Trailerhorse, has side arms which can be connected to arms on adjacent trailerhorse by vertically engaging couplings

摘要

The couplings on the trailerhorse side arms are open in the vertical direction, allowing the side arms on trailerhorses to be vertically engaged with each other by sliding them together in an upward or downward direction. The couplings include stops for preventing movement of the connected trailerhorses in the sideways and transport directions.